CN203840526U - Piezoelectric quartz bone conduction vibrator - Google Patents
Piezoelectric quartz bone conduction vibrator Download PDFInfo
- Publication number
- CN203840526U CN203840526U CN201420209836.8U CN201420209836U CN203840526U CN 203840526 U CN203840526 U CN 203840526U CN 201420209836 U CN201420209836 U CN 201420209836U CN 203840526 U CN203840526 U CN 203840526U
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- CN
- China
- Prior art keywords
- electrode
- quartz
- quartz crystal
- piezoelectric quartz
- piezoelectric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
The utility model relates to a piezoelectric quartz bone conduction vibrator. The bone conduction vibrator includes a cylindrical housing and a spring adjacent to the opening of the housing, the opening of the housing is provided with a circuit board and an upper cover arranged at the outer side of the circuit board, a quartz crystal is arranged between the spring and the circuit board, a first electrode and a second electrode are arranged on the surface of the quartz crystal, and the first electrode and the second electrode are electrically connected with the circuit board. The vibrator vibrates through the piezoelectric effect of the quartz crystal, so that the spring is driven to vibrate and air is compressed to generate sound to make people's ear bones hear the sound and influences to people's ear drums can be prevented, the oscillation frequency of the quartz crystal is stable, the sound generation is stable, and sound effects are good; and moreover the vibrator is simple in structure and small in size, and has no noises, as well as can be arranged in the main body of an earphone to reduce external vibration, thereby realizing noise reduction and comfortable wearing.
Description
Technical field
The utility model relates to a kind of piezoelectric quartz osteoacusis shake.
Background technology
Traditional PlayGear Stealth, is all generally earphone is attached to ear hole or fills in ear hole, and earphone is by vibrate air, and air vibrates people's ear-drum again, and sound is passed to human brain.This PlayGear Stealth, owing to needing that in use earphone is attached to ear hole or plug in ear hole, when people just can't hear the sound of blowing a whistle of automobile in the time going across the road, that is quite dangerous; In addition, if long-term large volume ground uses this earphone, people's ear-drum is had to impact, can cause people's tinnitus, seriously can cause Hearing.
Existing a kind of piezoelectric ceramic osteoacusis shake that occurred, piezoelectric ceramic is a kind of electrophonic musical element, it is in the middle of two copper circular electrodes, to put into piezoelectric ceramic dielectric material, when connect AC audio signal on two plate electrodes time, piezoelectric patches can shake according to the large small frequency of signal, by contacting with the ear bones of human body, makes people hear sound, sound does not need through air borne, and earphone also needn't be attached to ear hole or fill in ear hole.But the concussion frequency of piezoelectric ceramic is very unstable, control physical dimension also cannot be accomplished very accurate, and therefore, its resonance frequency is inaccurate, and audio is unstable, cannot meet user's demand.
Utility model content
The utility model has overcome the deficiencies in the prior art, and a kind of piezoelectric quartz osteoacusis shake is provided.
For achieving the above object, the technical solution adopted in the utility model is: a kind of piezoelectric quartz osteoacusis shake, the shell fragment that comprises cylindrical outer casing and arrange near described shell aperture place, the opening part of described shell is provided with wiring board and is positioned at the upper cover in described wiring board outside, between described shell fragment and described wiring board, quartz crystal is installed, the surface of described quartz crystal is provided with the first electrode, the second electrode, and described the first electrode, the second electrode are electrically connected with described wiring board.
In preferred embodiment of the utility model, at the bottom of piezoelectric quartz osteoacusis shake further comprises described outer thimble, be provided with ring holder, described shell fragment is placed on described ring holder.
In preferred embodiment of the utility model, piezoelectric quartz osteoacusis shake further comprises that the thickness of described shell fragment is 0.15-0.20mm.
In preferred embodiment of the utility model, piezoelectric quartz osteoacusis shake further comprises that described shell fragment is rounded.
In preferred embodiment of the utility model, at the bottom of piezoelectric quartz osteoacusis shake further comprises described outer thimble, be provided with radially inner boss, support frame as described above is placed on described boss.
In preferred embodiment of the utility model, piezoelectric quartz osteoacusis shake further comprises that described shell fragment is provided with the support of hollow towards a side of described shell aperture, and described support is connected with described quartz crystal spot welding.
In preferred embodiment of the utility model, piezoelectric quartz osteoacusis shake further comprises that the outer peripheral face of described shell is provided with at least one annular convex rib.
In preferred embodiment of the utility model, piezoelectric quartz osteoacusis shake further comprises that described upper cover is adhesively fixed with described shell, wiring board respectively.
The utility model has solved the defect existing in background technology, and the utility model shakes by the piezoelectric effect of quartz crystal, thus the vibrations of band spring plate, compressed air produces sound, makes people's ear bones hear sound, can not have any impact to people's ear-drum, and the frequency of oscillation of quartz crystal is very stable, sounding is stable, audio is good, and simple in structure, and volume is little, there is no noise, be arranged in headset main body and can reduce exterior vibration, realize noise reduction, comfortable wearing.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the explosive view of preferred embodiment of the present utility model;
Fig. 2 is the profile of preferred embodiment of the present utility model;
In figure: 2, shell, 4, shell fragment, 6, bracing frame, 8, boss, 10, wiring board, 12, upper cover, 14, quartz crystal, 16, support, 18, the first electrode, 20, the second electrode, 22, convex tendon.
Embodiment
In conjunction with the accompanying drawings and embodiments the utility model is described in further detail now, these accompanying drawings are the schematic diagram of simplification, and basic structure of the present utility model is only described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As Fig. 1, shown in Fig. 2, a kind of piezoelectric quartz osteoacusis shake, the shell fragment 4 that comprises cylindrical outer casing 2 and arrange near shell 2 opening parts, shell fragment 4 is foil, further, at the bottom of 2, shell, be provided with ring holder 6, shell fragment 4 is placed on ring holder 6, further, at the bottom of 2, shell, be provided with radially inner boss 8, ring holder 6 is placed on boss 8, the opening part of shell 2 is provided with wiring board 10 and is positioned at the upper cover 12 in wiring board 10 outsides, between shell fragment 4 and wiring board 10, quartz crystal 14 is installed, for the ease of fixing between shell fragment 4 and quartz crystal 14, the preferred shell fragment 4 of the utility model is provided with the support 16 of hollow towards a side of shell 2 openings, support 16 is connected with quartz crystal 14 spot welding, the surface of quartz crystal 14 is provided with the first electrode 18, the second electrode 20, further preferred the first electrode 18, the second electrode 20 is located at the upper surface of quartz crystal 14, the first electrode 18, the second electrode 20 is electrically connected with wiring board 10.Quartz crystal 14 belongs to monocrystal, contour structures is hexahedron, along all directions feature difference, the piezoelectric effect that produces electric charge along the power effect of directions X (electric axis) claims " longitudinal piezoelectric effect ", and the piezoelectric effect that produces electric charge along the power effect of Y-direction (mechanical axis) claims " piezo-electric traverse effect ", its frequency of oscillation is highly stable, can accomplish very accurately owing to controlling physical dimension, therefore, its resonance frequency is also very accurate, sounding is stable, and audio is good.In addition, shake sub-internal structure and install firmly, there is no noise, and overall volume is little, be convenient to coordinate with headset main body, reduce exterior vibration, realize noise reduction.
The thickness d 1 of the preferred shell fragment 4 of the utility model is 0.15-0.20mm.Further preferably shell fragment 4 is rounded.
The outer surface cross section of the preferred shell 2 of the utility model is rounded, is convenient to insert in headset main body, does not need other accessory, reduce the requirement to headset main body structure, being convenient to the processing of headset main body, but being not limited to circle, can be also square, oval etc.The outer peripheral face of shell 2 is provided with at least one annular convex rib 22, be convenient to headset main body in groove clamping, realize the firm assembling of shell 2 and headset main body, reduce exterior vibration, realize noise reduction.
In order further to improve integrally-built steadiness, the preferred upper cover 12 of the utility model is realized and being adhesively fixed by waterproof glue with shell 2, wiring board 10 respectively.
In use, in the time that the first electrode 18, the second electrode 20 are switched on, electric current is by quartz crystal 14 for the utility model, quartz crystal 14 produces piezoelectric effect and shakes, be with spring plate 4 to shake by support 16, produce sound by vibrations compressed air, make people's ear bones hear sound.
Be enlightenment according to desirable embodiment of the present utility model above, by above-mentioned description, related personnel can, not departing from the scope of this utility model technological thought, carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on specification, must determine technical scope according to claim scope.
Claims (8)
1. piezoelectric quartz osteoacusis shake, the shell fragment that comprises cylindrical outer casing and arrange near described shell aperture place, it is characterized in that: the opening part of described shell is provided with wiring board and is positioned at the upper cover in described wiring board outside, between described shell fragment and described wiring board, quartz crystal is installed, the surface of described quartz crystal is provided with the first electrode, the second electrode, and described the first electrode, the second electrode are electrically connected with described wiring board.
2. piezoelectric quartz osteoacusis shake according to claim 1, is characterized in that: at the bottom of described outer thimble, be provided with ring holder, described shell fragment is placed on described ring holder.
3. piezoelectric quartz osteoacusis shake according to claim 2, is characterized in that: the thickness of described shell fragment is 0.15-0.20mm.
4. piezoelectric quartz osteoacusis shake according to claim 3, is characterized in that: described shell fragment is rounded.
5. piezoelectric quartz osteoacusis shake according to claim 2, is characterized in that: at the bottom of described outer thimble, be provided with radially inner boss, support frame as described above is placed on described boss.
6. piezoelectric quartz osteoacusis shake according to claim 1, is characterized in that: described shell fragment is provided with the support of hollow towards a side of described shell aperture, and described support is connected with described quartz crystal spot welding.
7. piezoelectric quartz osteoacusis shake according to claim 1, is characterized in that: the outer peripheral face of described shell is provided with at least one annular convex rib.
8. piezoelectric quartz osteoacusis shake according to claim 1, is characterized in that: described upper cover is adhesively fixed with described shell, wiring board respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209836.8U CN203840526U (en) | 2014-04-28 | 2014-04-28 | Piezoelectric quartz bone conduction vibrator |
| PCT/CN2015/074476 WO2015165309A1 (en) | 2014-04-28 | 2015-03-18 | Piezoelectric quartz bone conduction vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209836.8U CN203840526U (en) | 2014-04-28 | 2014-04-28 | Piezoelectric quartz bone conduction vibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203840526U true CN203840526U (en) | 2014-09-17 |
Family
ID=51518318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420209836.8U Expired - Fee Related CN203840526U (en) | 2014-04-28 | 2014-04-28 | Piezoelectric quartz bone conduction vibrator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203840526U (en) |
| WO (1) | WO2015165309A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015165309A1 (en) * | 2014-04-28 | 2015-11-05 | 苏州佑克骨传导科技有限公司 | Piezoelectric quartz bone conduction vibrator |
| CN107925803A (en) * | 2015-09-03 | 2018-04-17 | 株式会社村田制作所 | Sound transmission device and sound transmission system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6445108B1 (en) * | 1999-02-19 | 2002-09-03 | Murata Manufacturing Co., Ltd. | Piezoelectric acoustic component |
| JP3563647B2 (en) * | 1999-09-20 | 2004-09-08 | 松下電器産業株式会社 | Composite earphone |
| JP2008028619A (en) * | 2006-07-20 | 2008-02-07 | Epson Toyocom Corp | Piezoelectric vibrator storage case, heat source unit, and highly stable piezo-oscillator and manufacturing method thereof |
| TWM409666U (en) * | 2011-03-21 | 2011-08-11 | Tuo-Teng Huang | Loudspeaker |
| CN102158784A (en) * | 2011-05-31 | 2011-08-17 | 浙江师范大学 | Elastic supporting-type round piezoelectric vibrator bone conduction hearing device |
| JP2013034120A (en) * | 2011-08-02 | 2013-02-14 | Hosiden Corp | Capacitor type sounder unit and earphone using the same |
| CN203840526U (en) * | 2014-04-28 | 2014-09-17 | 苏州佑克骨传导科技有限公司 | Piezoelectric quartz bone conduction vibrator |
-
2014
- 2014-04-28 CN CN201420209836.8U patent/CN203840526U/en not_active Expired - Fee Related
-
2015
- 2015-03-18 WO PCT/CN2015/074476 patent/WO2015165309A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015165309A1 (en) * | 2014-04-28 | 2015-11-05 | 苏州佑克骨传导科技有限公司 | Piezoelectric quartz bone conduction vibrator |
| CN107925803A (en) * | 2015-09-03 | 2018-04-17 | 株式会社村田制作所 | Sound transmission device and sound transmission system |
| CN107925803B (en) * | 2015-09-03 | 2020-05-19 | 株式会社村田制作所 | Sound transmission device and sound transmission system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015165309A1 (en) | 2015-11-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20210428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |